<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>dynamic data - 1</title>

<script>

	function sampleFunction()
	{
		document.getElementById("data").innerHTML = "content chnged";
		document.getElementById("btn").style.visibility = "hidden";
	}

</script>

</head>

<body>
	
    <p id="data"> Initial content </p>
	<input type="button" id="btn" value="click" onclick="sampleFunction()" style="visibility:visible"/>
	
</body>

</html>
